Search a number
-
+
4126400125 = 5399133311
BaseRepresentation
bin1111010111110011…
…1101111001111101
3101122120112211211021
43311330331321331
531422324301000
61521243024141
7204153552031
oct36574757175
911576484737
104126400125
111828277541
12971b0b051
13509b797a3
142b20581c1
151923e211a
hexf5f3de7d

4126400125 has 16 divisors (see below), whose sum is σ = 5155098624. Its totient is φ = 3297690000.

The previous prime is 4126400093. The next prime is 4126400129. The reversal of 4126400125 is 5210046214.

It is a happy number.

It is not a de Polignac number, because 4126400125 - 25 = 4126400093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4126400125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4126400129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107220 + ... + 140530.

It is an arithmetic number, because the mean of its divisors is an integer number (322193664).

Almost surely, 24126400125 is an apocalyptic number.

It is an amenable number.

4126400125 is a deficient number, since it is larger than the sum of its proper divisors (1028698499).

4126400125 is an equidigital number, since it uses as much as digits as its factorization.

4126400125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34317 (or 34307 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4126400125 is about 64237.0619268970. The cubic root of 4126400125 is about 1603.9485969570.

Adding to 4126400125 its reverse (5210046214), we get a palindrome (9336446339).

The spelling of 4126400125 in words is "four billion, one hundred twenty-six million, four hundred thousand, one hundred twenty-five".

Divisors: 1 5 25 125 991 4955 24775 33311 123875 166555 832775 4163875 33011201 165056005 825280025 4126400125